Never refrigerate Tropicals they should NOT be stored below 13 degrees.
Tropicals like tempered conditions.
Keep Tropicals away from direct heating and air-conditioners units.
Drastic changes in temperature burns fresh cut flowers. When handling exotic tropical flowers keep in mind that cold weather can affect them, keep your exotic tropical flowers in a relative warm area.
To get the best out of your Tropical flowers after you unpack them you can submerse them in a bathtub or a large bucket/bin for 20 mins with tempered water NOT ice-cold tap water to re hydrate them from travelling.
Re-cut stems at least 2 to 4 cm with sharp secateurs.
Preservative is optional.
Replace water every day these large flowers are thirsty.
Misting is recommended once or twice a day as they like high humidity.